<div class="row">
    <div class="btn-group">
      <button type="button" class="btn btn-info margin" (click)="show()">默认提示</button>
      <button type="button" class="btn btn-info margin" (click)="info()">信息提示</button>
      <button type="button" class="btn btn-success margin" (click)="success()">成功提示</button>
      <button type="button" class="btn btn-warning margin" (click)="warning()">警告提示</button>
      <button type="button" class="btn btn-danger margin" (click)="error()">错误提示</button>
    </div>
</div>
<div class="row">
    <div class="btn-group">
      <button type="button" class="btn btn-default margin" (click)="clear()">清除所有</button>
    </div>
</div>
